I really do feel for you as I did have similar problems for a long time and it took a lot of management. If nothing works then you need to plan to induce a motion early rather than when it just decides to happen. When you empty its usually so complete that you are right for the day after that. I did it by really having a big breakfast and then drinking strong black coffee at 8.30am and waiting a few minutes. The toilet was nearby and I managed ok.
As a better solution if your eyes are wide open read what I tried here - general-discussion-f1/topic24261.html
. The Lactoferrin seemed to really reset my bowel and now it is absolutely normal. I would definitely take a probiotic every day for the rest of your life but get the most active type you can. (Might be a practioner brand behind the counter). The reason I say "eyes wide open" is I found Lactoferrin had some effects whilst I was taking it. It was uncomfortable but completely transitory and it was very beneficial for the bowel. Please read the post in full so you know what to expect. There won't be any lasting negative effects and maybe you won't have the problems I had. I suspect I had another underlying issue that was stirred up. God knows what! A good well behaved bowel is heaven.